/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 *
 * ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * Netscape Communications Corporation.
 * Portions created by the Initial Developer are Copyright (C) 1999
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */
package netscape.ldap.beans;

import java.awt.Font;
import java.awt.FontMetrics;
import java.awt.TextArea;
import java.awt.event.ActionEvent;
import java.beans.PropertyChangeEvent;
import java.io.Serializable;

public class DisplayString extends TextArea implements Serializable {

    public DisplayString() {
        super();
        setEditable(false);
    }

    public void reportChange(PropertyChangeEvent evt) {
        Object obj = evt.getNewValue();
        if (obj == null) {
            append("null\n");
            return;
        }

        String[] values = null;
        if (obj instanceof String) {
            values = new String[1];
            values[0] = (String)obj;
        }
        else
            values = (String[])obj;

        int width = getSize().width - 10;
        Font f = getFont();
        for (int i=0; i<values.length; i++) {
            String text = values[i];
            if (f != null) {
                // Trim the text to fit.
                FontMetrics fm = getFontMetrics(f);
                while (fm.stringWidth(text) > width) {
                    text = text.substring(0, text.length()-1);
                }
            }
            append(text+'\n');
        }
    }

    public void clear (ActionEvent e) {
        setText("");
        invalidate();
        repaint();
    }
}
